Cladding-Mode Resonance in Polarization-Maintaining Photonic-Crystal-Fiber-Based Sagnac Interferometer and Its Application for Fiber Sensor

被引：21

作者：

Dong, Bo ^{[1
]}

Hao, Jianzhong ^{[1
]}

Liaw, Chin-Yi ^{[1
]}

Xu, Zhaowen ^{[2
]}

机构：

[1] Inst Infocomm Res, RF & Opt Dept, Singapore 138632, Singapore

[2] Inst Infocomm Res, Modulat & Coding Dept, Singapore 138632, Singapore

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2011年 / 29卷 / 12期

关键词：

Cladding-mode-resonance; polarization-maintaining; photonic-crystal-fiber-based; Sagnac interferometer (PMPCF-SI); strain; temperature; BIREFRINGENCE-FIBER; LOOP MIRROR; TEMPERATURE; STRAIN;

D O I：

10.1109/JLT.2011.2140313

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A novel cladding-mode-resonance-based polarization-maintaining photonic-crystal-fiber Sagnac interferometer (PMPCF-SI) and its application for fiber sensor are demonstrated. By introducing a mode field diameter mismatch at a splicing joint of an inbuilt single-mode fiber (SMF)-PMPCF-SMF structure connected in an SI, an intermodal interference is constructed by the excited cladding modes and the polarization modes of the PMPCF. With such a PMPCF-SI, simultaneous strain and temperature measurements are demonstrated. The SI behaves as a sensor and a filter simultaneously. By measuring the wavelength variation and transmissivity difference between two almost symmetrical resonance peaks in the spectral response of the SI, simultaneous strain and temperature measurements are achieved.

引用

页码：1759 / 1763

页数：5

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